ZL38052
Advanced Security Camera with Sound Classification Audio Processor
Overview
Designed for world-class high definition voice applications, Microsemi’s new ZL380 series of audio processors features the company’s Microsemi AcuEdge™ Technology. This innovative technology is a set of highly-complex and integrated algorithms that allows the user to extract more information from the audio environment. The new Microsemi AcuEdge™ Technology consists of license-free, royalty-free intelligent audio IP algorithms. When combined with Microsemi’s highly-integrated ZL380 series of audio processors, the solution accelerates customers’ time-to-market via validated reference design and easy-to-use development tools including the Microsemi Audio Interface Box (AIB) Kit which utilizes the MiTuner™ GUI software. Microsemi AcuEdge™ Technology ZL38052 is a hardware platform designed to detect T3 smoke alarms, T4 carbon monoxide alarms, glass breaking sounds with advanced audio enhancement features such as far field microphone, beam forming and sound locator functions with the ZLS38052 firmware pack for Connected Home and IP Camera application. |
Simplified Block Diagram

Typical Applications
- IP Camera
- Home security monitoring device
- Integrated Smart Gateway
Features & Benefits
- DSP with voice specific Hardware Accelerators
- Dual ΔΣ DACs with output sampling up to 48 kHz and internal output drivers
- 4 Single-Ended or 2 Differential Output Amps
- Two Digital Microphone inputs supporting up to 4 Microphones
- Two TDM ports shared between PCM and Inter-IC Sound (I2S)
- Provide sample rate conversion and synchronous TDM bus operation
- SPI Slave port for host processor interface
- Master SPI ports for serial Flash interface
- 14 General Purpose Input/Output (GPIO) pins
- General purpose UART port
- Boots from SPI, UART, or Flash allowing easy firmware updates
- Can run unattended (controllerless), self booting into a configured operational state
- Ultra low power standby mode
Firmware Overview
Microsemi AcuEdge™ Technology ZLS38052 - Firmware for IP Camera
- Sound Classifier
- Detects T3 Temporal Smoke alarms
- Detects T4 Temporal CO alarms
- Glass break detection
- Programmable energy detector
- Far Field Microphone Processing
- Microphone Beamforming
- Sound Location Estimation
- Wideband and Narrowband Acoustic Echo Cancellation (for up to 3 microphones)
- Full duplex operation supports AEC (up to 256 ms) in Narrowband (8 kHz sampling) or Wideband (16 kHz sampling) operation
- Non-linear echo cancellation provides higher tolerance for speaker distortions
- Advanced Noise Reduction reduces background noise from the near-end speech signal using Psycho-Acoustic techniques
- Signal mixing
- 48 kHz stereo music record and playback with 16 kHz voice processing
- Howling detection/cancellation
- Prevents oscillation in AEC audio path
- Various encoding/decoding options:
- 16-bit 2’s complement (linear)
- G.711 A/μ law
- G.722
- Comfort noise generation
- 48 kHz bypass mode
Parametric Search
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Parts | Part Status | package Type | Package Carrier | {{attribute.name | noComma}} ({{attribute.type}}) |
Ordering
Distributor | SKU | Stock | MOQ | Pkg | |
---|---|---|---|---|---|
Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
DigiKey | ZL38052LDF1DKR-ND | 1,138 | 1 | Custom Reel | Buy Now |
DigiKey | ZL38052LDF1TR-ND | 2700 | Tape & Reel | No Stock | |
DigiKey | ZL38052LDF1CT-ND | 1,138 | 1 | Cut Tape | Buy Now |
Distributor | SKU | Stock | MOQ | Pkg | |
---|---|---|---|---|---|
Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
Arrow Electronics | ZL38052LDG1 | 1 | 1 | .. | Buy Now |
DigiKey | ZL38052LDG1-ND | 1300 | Tray | No Stock |
Distributor | SKU | Stock | MOQ | Pkg | |
---|---|---|---|---|---|
DigiKey | ZL38052UGB2-ND | .. | Tray | No Stock |